package com.alice;

public class HelloMaven {
    public int add(int a,int b){
        return a+b;
    }
    public static void main(String[] args) {
        HelloMaven hello = new HelloMaven();
        int res = hello.add(10, 20);
        System.out.println("10+20="+res);
        System.out.printf("hello world");
        System.out.printf("hello world");
        System.out.printf("hello world");
        System.out.printf("hello world");

    }
}
